#framecontentTop
{
    position: absolute;
    top: 0;
    left: 0;
    height: 88px;
    width: 100%;
    overflow: hidden;
    vertical-align: middle;
}

#framecontentLeft
{
    position: absolute;
    top: 88px;
    left: 0;
    height: 100%;
    width: 187px;
    overflow: hidden;
    vertical-align: top;
}

#maincontent
{
    position: absolute;
    left: 150px;/*Set left value to WidthOfLeftFrameDiv*/
    top: 88px;/*Set top value to HeightOfTopFrameDiv*/
    right: 0;
    bottom: 0;
    overflow: auto;
    background: #fff;
}